Home / 109,387.69-164,082.87-30,497.14

Finding the Fourth Proportional to 109,387.69, 164,082.87 and 30,497.14

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Solution

The fourth proportional to 109,387.69, 164,082.87 and 30,497.14 is: 45,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.69 : 164,082.87 = 30,497.14 : x
  2. Step 2: Convert to fraction form
    109,387.69/164,082.87 = 30,497.14/x
  3. Step 3: Cross multiply
    109,387.69x = 164,082.87 × 30,497.14
  4. Step 4: Simplify right side
    109,387.69x = 5,004,058,257.99
  5. Step 5: Solve for x
    x = 5,004,058,257.99/109,387.69
  6. Step 6: Final answer
    x = 45,746.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.